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java.lang.IllegalStateException : CDI API is not available in this environment. 在 org.omnifaces.config.BeanManager

转载 作者：行者123 更新时间：2023-11-28 22:37:16 41 4
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我正在尝试显示来自托管 bean 方法的图像，该方法返回 byte[]与 <o:graphicImage>使用 omnifaces 我在 WEB_INF/lib 中部署了 omnifaces 2.1这是我的代码

注册.java

public byte[] getImage() throws IOException{
return Utils.toByteArray(Faces.getResourceAsStream("/resources/images/loader.gif"));


        }

首页.xhtml

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:o="http://omnifaces.org/ui">
<h:head>
<h:outputStylesheet library="css" name="style.css"></h:outputStylesheet>
    <style>
.center {
    align: center;
}
</style>

</h:head>
<h:body>
    <h:form>
    <table style="float:right;margin-top:5px;">
        <tr><td><h:commandLink action="/user/second.xhtml" style="float:right;">Second page</h:commandLink></td>
        <td><h:commandLink action="#{login.logout}" style="float:right;">Logout</h:commandLink></td></tr>
</table>        
    </h:form>
    <h:form>
        <div style="margin: auto;">
            <h:messages globalOnly="true" infoStyle="display:none" styleClass="error" style="list-style-type:none;"/>
            <h:messages globalOnly="true"  errorStyle="display:none" styleClass="green" style="list-style-type:none;"/>
            <h4 align="center">Welcome to JSF #{login.username} Dude</h4>

            <h3 align="center">User Profile</h3>
            <h:dataTable value="#{register.getUser(login.username)}" var="info"
                styleClass="center" style="margin:auto;" border="1">
                <h:column>
                <f:facet name="header">Image</f:facet>
                 <o:graphicImage value="#{register.getImage()}" type="jpg" dataURI="true"/>
                </h:column>

                <h:column>
                    <!-- column header -->
                    <f:facet name="header">Email</f:facet>
                    <!-- row record -->
                                        <h:outputText value="#{info.email}"
                                            rendered="#{not  register.edit}" />
<!--                    <h:inputText value="#{info.email}" rendered="#{not register.edit}" /> -->
                </h:column>
                <h:column>
                    <!-- column header -->
                    <f:facet name="header">First Name</f:facet>
                    <!-- row record -->

                                        <h:outputText value="#{info.first}" rendered="#{not  register.edit}" />
<!--                    <h:inputText value="#{info.first}" rendered="#{not register.edit}" /> -->
                </h:column>
                <h:column>
                    <!-- column header -->
                    <f:facet name="header">Last name</f:facet>
                    <!-- row record -->

                                        <h:outputText value="#{info.last}" rendered="#{not  register.edit}" />
<!--                    <h:inputText value="#{info.last}" rendered="#{not register.edit}" /> -->
                </h:column>
                <h:column>
                    <!-- column header -->
                    <f:facet name="header">Phone</f:facet>
                    <!-- row record -->

                                        <h:outputText value="#{info.phone}"
                                            rendered="#{not  register.edit}" />
<!--                    <h:inputText value="#{info.phone}" rendered="#{not register.edit}" /> -->
                </h:column>
                <h:column>
                    <h:commandButton value="Update" action="/user/Updateprofile.xhtml">

                    </h:commandButton>

                </h:column>

            </h:dataTable>
        </div>
    </h:form>


</h:body>
</html>

一开始tomcat启动显示这个错误<o:graphicImage> Tag Library supports namespace: http://omnifaces.org/ui, but no tag was defined for name: graphicImage]当我在 eclipse 中将 omnifaces.jar 添加到我的构建路径中时。 omnifaces.jar之后在WEB-INF/lib它不让 tomcat 启动并显示以下错误

   java.lang.ExceptionInInitializerError
    at org.omnifaces.application.OmniApplication.<init>(OmniApplication.java:69)
    at org.omnifaces.application.OmniApplicationFactory.createOmniApplication(OmniApplicationFactory.java:89)
    at org.omnifaces.application.OmniApplicationFactory.getApplication(OmniApplicationFactory.java:54)
    at org.apache.myfaces.config.FacesConfigurator.configureApplication(FacesConfigurator.java:1926)
    at org.apache.myfaces.config.FacesConfigurator.configure(FacesConfigurator.java:529)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.buildConfiguration(AbstractFacesInitializer.java:296)
    at org.apache.myfaces.webapp.Jsp21FacesInitializer.initContainerIntegration(Jsp21FacesInitializer.java:73)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.initFaces(AbstractFacesInitializer.java:118)
    at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized(StartupServletContextListener.java:111)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5016)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5528)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: CDI API is not available in this environment.
    at org.omnifaces.config.BeanManager.<init>(BeanManager.java:88)
    at org.omnifaces.config.BeanManager.<clinit>(BeanManager.java:49)
    ... 18 more
Caused by: java.lang.ClassNotFoundException: javax.enterprise.inject.spi.BeanManager
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Unknown Source)
    at org.omnifaces.config.BeanManager.<init>(BeanManager.java:82)
    ... 19 more

Jul 23, 2015 5:16:06 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of class org.omnifaces.ApplicationListener
java.lang.NoClassDefFoundError: Could not initialize class org.omnifaces.config.BeanManager
    at org.omnifaces.ApplicationListener.checkCDIAvailable(ApplicationListener.java:63)
    at org.omnifaces.ApplicationListener.contextInitialized(ApplicationListener.java:55)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5016)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5528)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

Jul 23, 2015 5:16:06 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: One or more listeners failed to start. Full details will be found in the appropriate container log file
Jul 23, 2015 5:16:06 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/First] startup failed due to previous errors
Jul 23, 2015 5:16:06 PM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class org.apache.myfaces.webapp.StartupServletContextListener
java.lang.NoClassDefFoundError: Could not initialize class org.omnifaces.config.BeanManager
    at org.omnifaces.application.OmniApplication.<init>(OmniApplication.java:69)
    at org.omnifaces.application.OmniApplicationFactory.createOmniApplication(OmniApplicationFactory.java:89)
    at org.omnifaces.application.OmniApplicationFactory.getApplication(OmniApplicationFactory.java:54)
    at org.apache.myfaces.context.servlet.FacesContextImplBase.getApplication(FacesContextImplBase.java:131)
    at org.apache.myfaces.webapp.AbstractFacesInitializer._dispatchApplicationEvent(AbstractFacesInitializer.java:239)
    at org.apache.myfaces.webapp.AbstractFacesInitializer.destroyFaces(AbstractFacesInitializer.java:273)
    at org.apache.myfaces.webapp.StartupServletContextListener.contextDestroyed(StartupServletContextListener.java:153)
    at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:5063)
    at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5723)
    at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:160)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

我使用的是 JSF 2.0(Apache Myfaces)，我还使用 tomahawk 1.1.14 来上传文件。

最佳答案

OmniFaces 2.x 需要 CDI .另见 Download节OmniFaces homepage :

OmniFaces 2.x

Required: Java 1.7, JSF 2.2, EL 2.2, Servlet 3.0 and CDI 1.1
Optional: BV 1.0

作为准系统 JSP/Servlet 容器的 Tomcat 不随 CDI 一起提供。它仅在成熟的 Java EE 容器中可用，如 WildFly和 TomEE .这同样适用于 JSF(和 JSTL)，顺便说一下，您必须在 Tomcat 中手动安装它。

您有 2 个选择:

  1. 用 TomEE 或任何其他 Java EE 容器替换 Tomcat。

  2. 在 Tomcat 中手动安装 CDI。

另见:

关于java.lang.IllegalStateException : CDI API is not available in this environment. 在 org.omnifaces.config.BeanManager，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/31586337/

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